11121311213 has 8 divisors (see below), whose sum is σ = 11394383616. Its totient is φ = 10848325600.

The previous prime is 11121311207. The next prime is 11121311231. The reversal of 11121311213 is 31211312111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11121311213 - 2¹² = 11121307117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11121311191 and 11121311200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121311203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293018 + ... + 328788.

It is an arithmetic number, because the mean of its divisors is an integer number (1424297952).

Almost surely, 2^11121311213 is an apocalyptic number.

It is an amenable number.

11121311213 is a deficient number, since it is larger than the sum of its proper divisors (273072403).

11121311213 is an equidigital number, since it uses as much as digits as its factorization.

11121311213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43395.

The product of its digits is 36, while the sum is 17.

Adding to 11121311213 its reverse (31211312111), we get a palindrome (42332623324).

The spelling of 11121311213 in words is "eleven billion, one hundred twenty-one million, three hundred eleven thousand, two hundred thirteen".